public class Test1 {
    int m,n;
    public Test1() {};
    public Test1(int a) {
        m = a;
    }

    public static void main(String[] args) {
        Test1 t1, t2;
        int j = 0, k=0;
        t1 = new Test1();
        t2 = new Test1(j);
    }
}
